xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

drm/ttm: move ttm binding/unbinding out of ttm_tt paths.

Browse Source 
Move these up to the bo level, moving ttm_tt to just being
backing store. Next step is to move the bound flag out.

Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200915024007.67163-6-airlied@gmail.com
This commit is contained in:
Dave Airlie
2020-09-15 11:34:51 +10:00
parent 2040ec970e
commit 9e9a153bdf
9 changed files with 64 additions and 74 deletions
Download Patch File Download Diff File Expand all files Collapse all files

28
include/drm/ttm/ttm_bo_driver.h
View File

@@ -684,6 +684,34 @@ int ttm_bo_pipeline_gutting(struct ttm_buffer_object *bo);
*/
pgprot_t ttm_io_prot(uint32_t caching_flags, pgprot_t tmp);
/**
* ttm_bo_tt_bind
*
* Bind the object tt to a memory resource.
*/
int ttm_bo_tt_bind(struct ttm_buffer_object *bo, struct ttm_resource *mem);
/**
* ttm_bo_tt_bind
*
* Unbind the object tt from a memory resource.
*/
void ttm_bo_tt_unbind(struct ttm_buffer_object *bo);
static inline bool ttm_bo_tt_is_bound(struct ttm_buffer_object *bo)
{
return bo->ttm->_state == tt_bound;
}
static inline void ttm_bo_tt_set_unbound(struct ttm_buffer_object *bo)
{
bo->ttm->_state = tt_unbound;
}
static inline void ttm_bo_tt_set_bound(struct ttm_buffer_object *bo)
{
bo->ttm->_state = tt_bound;
}
/**
* ttm_bo_tt_destroy.
*/

35
include/drm/ttm/ttm_tt.h
View File

@@ -82,11 +82,6 @@ static inline bool ttm_tt_is_populated(struct ttm_tt *tt)
return tt->_state != tt_unpopulated;
}
static inline bool ttm_tt_is_bound(struct ttm_tt *tt)
{
return tt->_state == tt_bound;
}
static inline void ttm_tt_set_unpopulated(struct ttm_tt *tt)
{
tt->_state = tt_unpopulated;
@@ -97,16 +92,6 @@ static inline void ttm_tt_set_populated(struct ttm_tt *tt)
tt->_state = tt_unbound;
}
static inline void ttm_tt_set_unbound(struct ttm_tt *tt)
{
tt->_state = tt_unbound;
}
static inline void ttm_tt_set_bound(struct ttm_tt *tt)
{
tt->_state = tt_bound;
}
/**
* struct ttm_dma_tt
*
@@ -164,17 +149,6 @@ int ttm_sg_tt_init(struct ttm_dma_tt *ttm_dma, struct ttm_buffer_object *bo,
void ttm_tt_fini(struct ttm_tt *ttm);
void ttm_dma_tt_fini(struct ttm_dma_tt *ttm_dma);
/**
* ttm_ttm_bind:
*
* @ttm: The struct ttm_tt containing backing pages.
* @bo_mem: The struct ttm_resource identifying the binding location.
*
* Bind the pages of @ttm to an aperture location identified by @bo_mem
*/
int ttm_tt_bind(struct ttm_bo_device *bdev,
struct ttm_tt *ttm, struct ttm_resource *bo_mem);
/**
* ttm_ttm_destroy:
*
@@ -184,15 +158,6 @@ int ttm_tt_bind(struct ttm_bo_device *bdev,
*/
void ttm_tt_destroy(struct ttm_bo_device *bdev, struct ttm_tt *ttm);
/**
* ttm_ttm_unbind:
*
* @ttm: The struct ttm_tt.
*
* Unbind a struct ttm_tt.
*/
void ttm_tt_unbind(struct ttm_bo_device *bdev, struct ttm_tt *ttm);
/**
* ttm_tt_swapin:
*